Ground deformation analysis equipment, ground deformation analysis method, a program

摘要

PROBLEM TO BE SOLVED: To provide a ground deformation analysis device and the like capable of performing a three dimensional large deformation analysis and dynamic analysis of ground.;SOLUTION: The ground deformation analysis device 1 for analyzing a ground deformation using a particle method includes: a storage means for storing element information on an element region having a solid shape and particle information on a particle; an initial element region calculation means for calculating an initial element region where the particle locates; an initial stress calculation means for calculating the initial stress of the particle; a node velocity calculation means for calculating a first velocity of a node; a position/strain increment calculation means for calculating the position and the strain increment of the particle; a strain/stress/density calculation means for calculating the strain, stress, and density of the particle; and an element region calculation means for calculating the element region where the particle locates, and if the particle is outside of the element region, translating the particle position to a predetermined position on the outer surface of the element region according to the particle position.;COPYRIGHT: (C)2012,JPO&INPIT